( TAB. VI. ) 
PARTIS P R 1 M A !•: C L A S S ! S S F C V N D /\ E 
S E c r 1 0 N I S S E C F N D ^ E. 
Sequitur GENVS TERTIVM. 
EVCCINVM FLVVIATILE. 
A* "D Vccinum fliiviatile, fpiris non prominentibus oblongum, ore angufliore , laeve, can- 
didimi , fafciis aliquando piceis , aliquando rubris , plutnbeis , 6c luteis , iridis in- 
flar clcgantiflime fafciatum . 
B. Buccinuni Huviatile, prima fpira flitis elongata , mucrone aculeis coronato , ore lato in- 
tegro 3 repando 3 coftilque flrlatis cminencibus exafperatum , colore pullo nigricans, 
c. Buccinum Huviatile, maius, laeve, labio incerno repando, ex cameo 3 fulvo, albido , & 
purpurafccnte colore fa/ciatum ; aliquando Jineis interfe^Iis , punflatum , nebulatum 3 
6c marmoris intar Jucide 3 6c elegancer variegatum . 
D. Buccinum fluviatilc 3 idem minus , candidum , 6c in prima , 6c in fecunda fpira llnea 
fubrubra circumdatum . 
G E N F S ^F ^ R r F M. 
TVRBO F L V V I A T I L I S . 
SB. ^ I ' Vrbo fluviatilis 3 minimus, oblongus , anguftus , fragilis , ore exih , 6c in acumen 
acutiflimum , definens candidum . 
E. Turbo fluviatiJis , obfcure flriatus , oris vertice paululum finuato , in mucronem acutiffi- 
mum 3 6c Jongiffimum definens , atro purpureus quatuordecim fpiris finitus . 
F. Turbo fluviatilis 3 fimilis , novem fpiris finitus. 
G. Turbo fluviatiiis, fimiJis , Jucidus , cinerei colons , 6c fubrubris Jineis undatim per lon- 
gitudinem radiatus . 
GG. Turbo fluviatilis 3 per longitudinem minutifUme flriatus^ ore anguflo integro 3 primo 
orbe infigniter produfto , ex fufco nigricans , feptem fpiris finitus . 
H. Turbo fluviatilis , obfcure flriatus , nonnihil prope fpirarum commifliiras rugis longis di- 
flin£Ius 3 fufcus j fafcia catenata fubrubra in ipfis fpirarum commifluris infignitus , 6c 
duodecim fpiris terminatus . 
fluviatilis 3 maximus 3 laevis , tefla ponderofa , ex cinereo fubalbidus, novem or- 
bibus terminatus . 
